Application Fee
See agencyVerified by WA Board of Trades
Plumber Licensing in Washington
Review current requirements, exam details, renewal cycle, and salary outlook for plumber in Washington, including See agency and board contact links.
Last verified: Feb 17, 2026
Current
Exam Requirement
Both state and third-party exams requiredRenewal Cycle
See board renewal rulesLicensing Blueprint for Plumber in Washington
Estimated timeline: Varies by boardCore Requirements
- 1
Education: Specific course required.
- 2
License Type: Stand-alone license.
Exam and processing details
- Both state and third-party exams required
Application Snapshot
- Licensing Authority
Department of Labor and Industries
- Current Filing Fee
See agency
- Renewal Cycle
See board renewal rules
- Salary Position
$79,070 median (26% above national)
- State Salary Rank
#6 of 50 states
Step-by-Step Process (4)
- 1. Meet Washington eligibility requirements for Plumber licensure.
- 2. Complete required education or training: Specific course required.
- 3. Pass required examination steps: Both state and third-party exams required.
- 4. Submit the application to Department of Labor and Industries and monitor board communications.
Salary Insights in Washington
With a median salary of $79,070, Plumbers in Washington earn 26% above the national median of $62,970. Washington ranks #6 among 50 states. The typical licensing timeline is Varies by board.
State Hiring Climate (QCEW)
RisingQoQ Employment Change
+2.3%Average Weekly Wage
$1,837Median annual salary
$79,070Hourly estimate
$38.0126% above national median
Difference: +$16,100
Percentile Distribution
Annual compensationPlumber Salary Ranking
#6 of 50 statesfor Plumber median salary
| Rank | State | Median Salary |
|---|---|---|
| #1 | Illinois | $96,200 |
| #2 | Oregon | $93,110 |
| #3 | Minnesota | $83,280 |
| #4 | Massachusetts | $83,260 |
| #5 | Alaska | $83,090 |
Nearby States Comparison
Plumber licensing across the regionLicense by Endorsement
Transfer requirements are state-specific. Use this quick matrix as a planning signal, then verify final endorsement rules with each board.
| State | Reciprocity Score | Tier | Notes |
|---|---|---|---|
| Washington | 68 | Medium | State-specific exam conditions may apply. |
| Idaho | 68 | Medium | State-specific exam conditions may apply. |
| Oregon | 78 | High | Board-specific review required. |
- Reciprocity and transfer rules vary by state board. Verify directly with the agency.
Official Licensing Agency
Official website verified
Department of Labor and Industries
7273 Linderson Way SW, Tumwater, WA, 98501-5414
Phone: 3609025800
Related Careers in Washington
| Profession | Median Salary | Education | Timeline |
|---|---|---|---|
| Aircraft Mechanics and Service Technicians | $85,010 | No educational requirements | 8 years |
| Automotive Service Technicians and Mechanics | $57,790 | No educational requirements | 8 years |
| Carpenter | $73,260 | Degree required | Varies by board |
| Construction and Building Inspector | $89,360 | Specific course required | Varies by board |
FAQ
How long does it take to become a Plumber in Washington?
Most applicants finish the licensing path in about Varies by board, but timing can change based on education track, exam scheduling, and board processing.
What exams are required for Plumbers in Washington?
Washington lists Both state and third-party exams required as part of the licensure process for Plumbers.
What education do you need to become a Plumber in Washington?
The board typically expects Specific course required for Plumber licensure in Washington.
What is the typical Plumber salary in Washington?
The median annual salary for Plumbers in Washington is $79,070. Salaries range from $47,570 (10th percentile) to $139,280 (90th percentile).
How does the Plumber salary in Washington compare to the national average?
Plumbers in Washington earn 26% above the national median of $62,970, with a state median of $79,070.
How many Plumbers work in Washington?
Washington employs approximately 12,210 Plumbers according to BLS data.
Can I transfer my Plumber license to Washington from another state?
Transfer requirements vary by board. Reciprocity and transfer rules vary by state board. Verify directly with the agency.
Who is the licensing agency for Plumbers in Washington?
The licensing agency is Department of Labor and Industries. Review agency details at http://www.lni.wa.gov/.
How often do you renew a Plumber license in Washington?
Current guidance indicates a renewal cycle of See board renewal rules.